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The Properties And Performance Of Micro-Tubular (Less Than 1mm Od) Anode Supported SOFC's For APU-Applications

Published online by Cambridge University Press:  01 February 2011

Jung-Hoon Song ,
Brycen Roy ,
Kevin Galloway ,
Nigel Sammes  and
Toshio Suzuki
Jung-Hoon Song
Affiliation:
jsong@mines.edu, Colorado School of Mines, Department of Metallurgical and Materials Engineering, Golden, CO, 80401, United States
Brycen Roy
Affiliation:
Broy@mines.edu, Colorado School of Mines, Department of Metallurgical and Materials Engineering, Golden, CO, 80401, United States
Kevin Galloway
Affiliation:
kgalloway@mines.edu, Colorado School of Mines, Department of Metallurgical and Materials Engineering, Golden, CO, 80401, United States
Nigel Sammes
Affiliation:
nsammes@mines.edu, Colorado School of Mines, Department of Metallurgical and materials engineering, 1500 Illinois Street, Golden, CO, 80401, United States
Toshio Suzuki
Affiliation:
suzuki@aist.or.jp, Advanced Institute of Science and Technology, Functional Assembly Technology Group, Nagoya, N/A, Japan
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Abstract

Micro tubular solid oxide fuel cells (SOFCs) have many desirable advantages compared to general SOFC. Recently, microtubualr SOFC are now studied to apply into APU system in a future generation vehicles. In this study, electrochemical and mechanical properties of the micro tubular SOFCs (less than 1 mm O.D.) have been characterized. Electrochemical characterization showed the excellent performance of MT SOFC with the power density of 1 W/cm2 at 600°C. Impedance measurement indicated that the contribution of contact resistance on the cell performance was still high and there were many possibilities to improve the cell performance. Mechanical test of the MT-SOFC using burst testing apparatus indicated the mechanical properties were mainly dependent on porosity and wall thickness, i.e. physical properties of anode support. This study examined the properties of micro-tubular SOFC using the novel characterization method for APU application.

Keywords

extrusionelectrical propertiesenergy generation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1106: Symposium PP – The Business of Nanotechnology , 2008 , 1106-PP01-03
Copyright
Copyright © Materials Research Society 2008

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